I am a relative novice here so someone else will correct me if I am wrong.
It sounds like your PC is posting as you can boot from your cd. This in my mind rules out your core system components as being faulty. I suspect that either your OS has corrupted or your HD is dying. If it always happens at the same point I suspect that it is software related.
Can you please let us have your system spec, whether it is a home build or OEM and what you were doing prior to your problem (ie have you dropped the PC were you installing some new software etc)
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Welcome to Icorntic.
I am a relative novice here so someone else will correct me if I am wrong.
It sounds like your PC is posting as you can boot from your cd. This in my mind rules out your core system components as being faulty. I suspect that either your OS has corrupted or your HD is dying. If it always happens at the same point I suspect that it is software related.
Can you please let us have your system spec, whether it is a home build or OEM and what you were doing prior to your problem (ie have you dropped the PC were you installing some new software etc)